CN111185378A - Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof - Google Patents
Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof Download PDFInfo
- Publication number
- CN111185378A CN111185378A CN201911257765.2A CN201911257765A CN111185378A CN 111185378 A CN111185378 A CN 111185378A CN 201911257765 A CN201911257765 A CN 201911257765A CN 111185378 A CN111185378 A CN 111185378A
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- Prior art keywords
- wear
- layer
- resistant
- sieve plate
- atress
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- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 230000001680 brushing effect Effects 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 6
- 238000007873 sieving Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4618—Manufacturing of screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/469—Perforated sheet-like material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof, and relates to the field of screening devices, mainly comprising a wear-resistant layer, a stress bearing layer and wear-resistant blocks, wherein a plurality of round holes are uniformly distributed on the stress bearing layer; the manufacturing process comprises assembling, bonding, attaching and demolding. The invention has the beneficial effects that: the sieve plate with the double-layer composite structure has both wear resistance and toughness, and the service life of the sieve plate is effectively prolonged, so that the current situation that the sieve plate needs to be frequently replaced due to abrasion in the working process of the vibrating screen is avoided.
Description
Technical Field
The invention relates to the field of screening devices, in particular to a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof.
Background
The vibrating screen is a material grading device, which comprises an excitation device, a screen box, a screen plate and the like, wherein the screen box and the screen plate are driven to vibrate through the operation of the excitation device in the screening working process, material particles larger than the size of the screen holes are reserved on the screen surface, and material particles smaller than the size of the screen holes are screened out through the screen holes, so that the separation of materials is realized. The sieve plate is a key component in the vibration sieving equipment, and mainly plays a role in grading materials, and the abrasion is a main failure mode of the sieve plate.
In the commonly used sieve plate materials, high manganese steel is the most common metal material, and the high manganese steel material has the advantages that under the strong impact or heavy load working condition, due to the work hardening characteristic of the high manganese steel, the surface hardness of the high manganese steel is rapidly improved, but in the vibration sieving equipment, the impact force generated by the material is small, the work hardening effect is not obvious, the surface hardness of the high manganese steel is not enough to be obviously improved, and therefore under the sieving working condition, the high manganese steel material is quickly abraded due to insufficient hardness.
The polyurethane material is another common sieve plate material, and the polyurethane sieve plate is characterized by high wear resistance and long service life, but is expensive, and has lower sieving efficiency than a metal sieve plate due to lower opening rate than the metal sieve plate.
Therefore, it is necessary to develop a composite wear-resistant sieve plate with wear resistance, toughness, high overall strength and long service life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof, so that the service life of the sieve plate is prolonged on the premise of maintaining higher sieving efficiency.
The purpose of the invention is achieved by the following technical scheme: this kind of piece together double-deck compound wear-resisting sieve of formula mainly includes wearing layer, atress bearer layer and wear-resisting piece, a plurality of round holes of evenly distributed on the atress bearer layer, wear-resisting piece bottom intermediate position department opens there is the semicircle orifice, and it has the quarter round hole to open at top bilateral symmetry, and the semicircle orifice is the same with the radius of quarter round hole and equals the round hole radius on the atress bearer layer, and a plurality of wear-resisting pieces splice in proper order and form the wearing layer the same with atress bearer layer structure, and the wearing layer is located atress bearer layer top and laminates each other, and the round hole that the concatenation formed on the wearing layer forms the sieve mesh with the round hole position one-to-.
Furthermore, the stress bearing layer is made of steel materials through a punching process; the wear-resistant block is cast and molded by high-chromium cast iron or sintered and molded by ceramic materials at high temperature.
The manufacturing process of the double-layer composite wear-resistant sieve plate comprises the following steps:
1. assembling: firstly, brushing a release agent in a positioning mould, and then putting the wear-resistant blocks into the positioning mould for splicing;
2. bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block, so that the adhesive permeates into gaps among the wear-resistant blocks, and the sufficient using amount of the adhesive is ensured to form a wear-resistant layer;
3. attaching: after brushing a layer of glue on the surface of the stressed bearing layer, which is in contact with the wear-resistant layer, placing the stressed bearing layer into a positioning mould, and bonding the stressed bearing layer and the wear-resistant layer;
4. demolding: the positioning die is placed in an overturning mode, the stress bearing layer is arranged at the bottom, the wear-resistant layer is arranged in the middle, the positioning die is arranged at the top, and demolding is carried out after the wear-resistant layer and the stress bearing layer are solidified, so that the composite wear-resistant plate is manufactured.
Furthermore, the positioning mould is a disposable plastic thin shell, and the thickness of the positioning mould is 0.2-2 mm.
Furthermore, in the step 4, the wear-resistant layer and the stressed bearing layer can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
The invention has the beneficial effects that: the double-layer composite structure sieve plate has both wear resistance and toughness, and can effectively prolong the service life of the sieve plate on the premise of ensuring the integral toughness of the composite sieve plate.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the wear-resistant layer and the load-bearing layer.
Fig. 3 is a structural schematic diagram of the wear-resistant block.
Fig. 4 is a schematic structural view of the positioning mold.
Description of reference numerals: the device comprises a wear-resistant layer 1, a stress bearing layer 2, sieve holes 3, wear-resistant blocks 4, semicircular holes 4-1, quarter round holes 4-2 and a positioning die 5.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawing, the spliced double-layer composite wear-resistant sieve plate mainly comprises a wear-resistant layer 1, a stress bearing layer 2 and wear-resistant blocks 4, wherein a plurality of round holes are uniformly distributed on the stress bearing layer 2, a semicircular hole 4-1 is formed in the middle position of the bottom of each wear-resistant block 4, quarter round holes 4-2 are symmetrically formed in the two sides of the top of each wear-resistant block 4, the radius of each semicircular hole 4-1 is equal to that of the corresponding round hole in the stress bearing layer 2, the wear-resistant blocks 4 are sequentially spliced to form a wear-resistant layer 1 with the same structure as that of the stress bearing layer 2, the wear-resistant layer 1 is positioned above the stress bearing layer 2 and mutually attached, and the round holes formed in the wear-resistant layer 1 and the round holes in the stress bearing layer 2 are in; the stress bearing layer 2 is made of steel materials through a punching process; the wear-resistant block 4 is cast and molded by high-chromium cast iron or sintered and molded by ceramic materials at high temperature.
The manufacturing process of the double-layer composite wear-resistant sieve plate comprises the following steps:
1. assembling: firstly, brushing a release agent in a positioning die 5, and then putting the wear-resistant block 4 into the positioning die 5 for splicing;
2. bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block 4, so that the adhesive permeates into gaps among the wear-resistant blocks, and the sufficient dosage of the adhesive is ensured to form a wear-resistant layer 1;
3. attaching: after a layer of glue is brushed on the surface of the stress bearing layer 2 in contact with the wear-resistant layer 1, the stress bearing layer is placed into a positioning die 5 and is bonded with the wear-resistant layer 1;
4. demolding: the positioning die 5 is placed in an overturning mode, the stress bearing layer 2 is arranged at the bottom, the wear-resistant layer 1 is arranged in the middle, the positioning die 5 is arranged at the uppermost position, demolding is carried out after the wear-resistant layer 1 and the stress bearing layer 2 are solidified, and the preparation of the composite wear-resistant plate is completed.
Preferably, the positioning die 5 is a disposable plastic thin shell with the thickness of 0.2-2 mm.
Further, in the step 4, the wear-resistant layer 1 and the stressed bearing layer 2 can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
According to the composite wear-resistant sieve plate, the wear-resistant layer made of high-chromium cast iron or ceramic material and the stress bearing layer made of steel material are spliced to form the composite wear-resistant sieve plate with a double-layer structure, the sieve plate with the double-layer composite structure has both wear resistance and toughness, the service life of the sieve plate can be effectively prolonged on the premise of ensuring the integral toughness of the composite sieve plate, and therefore the current situation that the sieve plate needs to be frequently replaced due to abrasion in the working process of the vibrating screen is avoided. The production cost is reduced while the production efficiency is improved.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a piece together double-deck compound wear-resisting sieve which characterized in that: mainly include wearing layer (1), atress bearer layer (2) and wear-resisting piece (4), evenly distributed a plurality of round holes are gone up in atress bearer layer (2), wear-resisting piece (4) bottom intermediate position department is opened semicircle orifice (4-1), and it has quarter round hole (4-2) to open in top bilateral symmetry, and semicircle orifice (4-1) are the same with the radius of quarter round hole (4-2) and equal to the round hole radius on atress bearer layer (2), and a plurality of wear-resisting piece (4) splice in proper order and form wearing layer (1) the same with atress bearer layer (2) structure, and wearing layer (1) are located atress bearer layer (2) top and laminate each other, and the round hole that concatenation formed on wearing layer (1) and the round hole position one-to-one formation sieve mesh (3) on the atress bearer layer (2).
2. The modular double-deck composite wear-resistant screen deck of claim 1, wherein: the stress bearing layer (2) is made of steel materials through a punching process; the wear-resistant block (4) is formed by casting high-chromium cast iron or by high-temperature sintering of a ceramic material.
3. A process for manufacturing a composite wear resistant modular double deck screen panel as claimed in claim 1, wherein: the process comprises the following steps:
(1) and assembling: firstly, brushing a release agent in a positioning die (5), and then putting the wear-resistant blocks (4) into the positioning die (5) for splicing;
(2) and bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block (4) to enable the adhesive to permeate into gaps among the wear-resistant blocks and ensure that the amount of the adhesive is sufficient to form a wear-resistant layer (1);
(3) and bonding: after a layer of glue is brushed on the surface of the stress bearing layer (2) contacted with the wear-resistant layer (1), the stress bearing layer is placed into a positioning mould (5) and is bonded with the wear-resistant layer (1);
(4) and demolding: and (2) placing the positioning mould (5) in an overturning way, so that the stressed bearing layer (2) is arranged at the bottom, the wear-resistant layer (1) is arranged in the middle, the positioning mould (5) is arranged at the uppermost position, and demoulding is carried out after the wear-resistant layer (1) and the stressed bearing layer (2) are solidified, namely the preparation of the composite wear-resistant plate is completed.
4. The manufacturing process of the block type double-layer composite wear-resistant sieve plate according to claim 3, characterized in that: the positioning mould (5) is a disposable plastic thin shell, and the thickness of the plastic thin shell is 0.2-2 mm.
5. The manufacturing process of the block type double-layer composite wear-resistant sieve plate according to claim 3, characterized in that: in the step (4), the wear-resistant layer (1) and the stress bearing layer (2) can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911257765.2A CN111185378A (en) | 2019-12-10 | 2019-12-10 | Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911257765.2A CN111185378A (en) | 2019-12-10 | 2019-12-10 | Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof |
Publications (1)
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CN111185378A true CN111185378A (en) | 2020-05-22 |
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CN201911257765.2A Pending CN111185378A (en) | 2019-12-10 | 2019-12-10 | Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2029756A (en) * | 1978-09-13 | 1980-03-26 | Litton Systems Inc | Manufacture of Abrasion Resistant Screening Member |
CA2645317A1 (en) * | 2008-11-27 | 2010-05-27 | Pac Mining Pty Ltd | Wear resistant screen plate |
US20160332822A1 (en) * | 2014-01-14 | 2016-11-17 | Thyssenkrupp Industrial Solutions (Usa), Inc. | Belt-on-belt conveyor |
CN206122154U (en) * | 2016-08-22 | 2017-04-26 | 郑州大学 | Compound dull and stereotyped round -hole punched plate |
CN106984539A (en) * | 2017-04-10 | 2017-07-28 | 北京圣开景科技有限公司 | A kind of composite screen mesh and its processing method |
CN208853246U (en) * | 2018-08-13 | 2019-05-14 | 湖南省乌江机筛有限公司 | Spliced type polyurethane strips stitch anti-skidding sieve plate |
CN209736063U (en) * | 2019-03-22 | 2019-12-06 | 郑州大学 | Wear-resistant sieve plate |
-
2019
- 2019-12-10 CN CN201911257765.2A patent/CN111185378A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2029756A (en) * | 1978-09-13 | 1980-03-26 | Litton Systems Inc | Manufacture of Abrasion Resistant Screening Member |
CA2645317A1 (en) * | 2008-11-27 | 2010-05-27 | Pac Mining Pty Ltd | Wear resistant screen plate |
US20160332822A1 (en) * | 2014-01-14 | 2016-11-17 | Thyssenkrupp Industrial Solutions (Usa), Inc. | Belt-on-belt conveyor |
CN206122154U (en) * | 2016-08-22 | 2017-04-26 | 郑州大学 | Compound dull and stereotyped round -hole punched plate |
CN106984539A (en) * | 2017-04-10 | 2017-07-28 | 北京圣开景科技有限公司 | A kind of composite screen mesh and its processing method |
CN208853246U (en) * | 2018-08-13 | 2019-05-14 | 湖南省乌江机筛有限公司 | Spliced type polyurethane strips stitch anti-skidding sieve plate |
CN209736063U (en) * | 2019-03-22 | 2019-12-06 | 郑州大学 | Wear-resistant sieve plate |
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Application publication date: 20200522 |